... long range speaker, dual 15 inch speaker,sound system for hall. 2. Usage: conference room, theater, church, club etc. long range speaker, dual 15 inch speaker,sound system ... unitLow 15"X2+Hi3"X1Rate power1200WSensitivity106dBMax SPL131dBInput impedance4ΩCover angleH80°x V50° ( rotatable)Connector2XNL4 speakonDimensions500X1070X520mmNet weight60KG PS-25 Dual 15 inch long range speaker